<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="querInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button> </el-input
        ></el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addialogVisible = true"
            >用户添加</el-button
          ></el-col
        >
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userlist" stripe :border="true">
        <el-table-column type="index"> </el-table-column>
        <el-table-column prop="username" label="姓名"> </el-table-column>
        <el-table-column prop="email" label="邮箱"> </el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"> </el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              inactive-color="red"
              @change="userchange(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-tooltip
              effect="dark"
              content="修改"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="showEditDialog(scope.row.id)"
              ></el-button>
            </el-tooltip>

            <!-- 删除按钮 -->
            <el-tooltip
              effect="dark"
              content="删除"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUseropen(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 分配角色按钮 -->
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="querInfo.pagenum"
        :page-sizes="[1, 5, 10, 15]"
        :page-size="querInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
      <!-- 添加用户对话框 -->
      <el-dialog
        title="添加用户"
        :visible.sync="addialogVisible"
        width="50%"
        @close="addDialogClosed"
      >
        <!-- 内容主体 -->
        <el-form
          :model="addForm"
          :rules="addFormRules"
          ref="addFormRef"
          label-width="70px"
        >
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 修改用户对话框 -->
      <el-dialog
        title="修改用户"
        :visible.sync="editdialogVisible"
        width="50%"
        @close="editDialogClosed"
      >
        <el-form
          :model="editForm"
          :rules="addFormRules"
          ref="editFormref"
          label-width="70px"
        >
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editdialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUser">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 分配角色对话框 -->
      <el-dialog
        title="分配角色"
        :visible.sync="setRoledialogVisible"
        width="50%"
        @close="selectRole"
      >
        <p>当前用户：{{ userInfo.username }}</p>
        <p>当前角色：{{ userInfo.role_name }}</p>
        <p>
          分配新角色：
          <el-select v-model="selectRoleId" placeholder="请选择">
            <el-option
              v-for="item in roleslist"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoledialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveInfo">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    //邮箱验证规则
    var cleckemail = (rule, value, callback) => {
      const regemail =
        /^[A-Za-z\d]+([-_.][A-Za-z\d]+)*@([A-Za-z\d]+[-.])+[A-Za-z\d]{2,4}$/;
      if (regemail.test(value)) {
        return callback();
      }
      callback(new Error("请输入合法邮箱"));
    };
    //手机号验证规则
    var cleckemobile = (rule, value, callback) => {
      const regmobile = /^[1][3,4,5,7,8][0-9]{9}$/;

      if (regmobile.test(value)) {
        return callback();
      }
      callback(new Error("请输入合法手机号"));
    };
    return {
      selectRoleId: "",
      roleslist: [],
      userInfo: {},
      setRoledialogVisible: false,
      //获取用户列表参数
      querInfo: {
        query: "",
        //当前页数
        pagenum: 1,
        //每页多少条
        pagesize: 5,
      },
      userlist: [],
      total: 0,
      //控制添加用户对话框的隐藏显示
      addialogVisible: false,
      //添加用户数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      //添加表单验证规则对象
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],

        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: cleckemail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机", trigger: "blur" },
          { validator: cleckemobile, trigger: "blur" },
        ],
      },
      //控制修改用户对话框的隐藏显示
      editdialogVisible: false,
      //查询用户信息对象
      editForm: {},
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.querInfo,
      });
      // console.log(res);
      if (res.meta.status != 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.userlist = res.data.users;
      this.total = res.data.total;
    },
    //pageSize 改变时会触发
    handleSizeChange(newSize) {
      this.querInfo.pagesize = newSize;
      this.getUserList();
    },
    //currentPage(页码值) 改变时会触发
    handleCurrentChange(newPage) {
      this.querInfo.pagenum = newPage;
      this.getUserList();
    },
    //监听switch开关状态的改变
    async userchange(usersinfo) {
      const { data: res } = await this.$http.put(
        `users/${usersinfo.id}/state/${usersinfo.mg_state}`
      );
      if (res.meta.status != 200) {
        usersinfo.mg_state = !usersinfo.mg_state;
        return this.$message.error("更新用户失败");
      }
      this.$message.success("更新用户成功");
    },
    //监听添加用户对话框关闭
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    //添加用户对话框，确定按钮
    addUser() {
      this.$refs.addFormRef.validate(async (value) => {
        if (!value) {
          return;
        }
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status !== 201) {
          this.$message.error("添加用户失败");
          this.addialogVisible = false;
          return;
        }
        this.$message.success("添加用户成功");
        this.addialogVisible = false;
        this.getUserList();
      });
    },
    //展示编辑用户对话框
    async showEditDialog(id) {
      this.editdialogVisible = true;
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200) {
        this.$message.error("查询用户失败");
      }
      this.editForm = res.data;
    },
    //关闭修改页面重置内容
    editDialogClosed() {
      this.$refs.editFormref.resetFields();
    },
    //修改用户对话框，确定按钮
    editUser() {
      this.$refs.editFormref.validate(async (value) => {
        if (!value) {
          return;
        }
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        );
        if (res.meta.status !== 200) {
          this.$message.error("修改用户失败");
          this.editdialogVisible = false;
          return;
        }
        this.$message.success("修改户成功");
        this.editdialogVisible = false;
        this.getUserList();
      });
    },
    //删除用户按钮
    removeUseropen(id) {
      this.$MessageBox("此操作将永久删除该用户, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(async () => {
          const { data: res } = await this.$http.delete("users/" + id);
          if (res.meta.status !== 200) {
            this.$message.error("删除用户失败");
            return;
          }
          this.getUserList();
          this.$message({
            type: "success",
            message: "删除成功!",
          });
        })
        .catch(() => {
          this.$message({
            type: "info",
            message: "已取消删除",
          });
        });
    },
    //展示分配角色对话框
    async setRole(userInfo) {
      this.userInfo = userInfo;
      //获取角色列表
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200) {
        this.$message.error("获取角色列表失败");
        return;
      }
      this.roleslist = res.data;
      this.setRoledialogVisible = true;
    },
    //点击确定分配角色
    async saveInfo() {
      if (!this.selectRoleId) {
        return this.$message.error("请选择要分配角色");
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectRoleId,
        }
      );
      // console.log(res);
      if (res.meta.status !== 200) {
        this.$message.error("分配角色失败");
        this.setRoledialogVisible = false;
        return;
      }
      this.$message.success("分配角色成功");
      this.getUserList();
      this.setRoledialogVisible = false;
    },
    selectRole() {
      this.selectRoleId = "";
      this.userInfo = {};
    },
  },
};
</script>

<style lang="less" scoped>
.el-table {
  margin-top: 15px;
  font-size: 12px;
}
.el-pagination {
  margin-top: 15px;
  text-align: center;
}

</style>